Brake pads in the UK cost roughly £80–£200 per axle fitted, depending on car size and pad grade. Premium German cars and EVs sit at the top of that range; small petrol hatchbacks at the bottom. With Drova that's all-in: parts, fitting at your driveway and a 12-month warranty.
Pads are usually replaced in pairs (per axle, not per wheel). Most cars wear their front pads roughly twice as fast as the rear, so a front-axle pad change is the more common job.
If the discs are also worn or scored, they're replaced at the same time — fresh pads on tired discs just chew themselves up. A pads-and-discs job on both fronts typically runs £180–£320 fitted for an average car.